(maint) tidy build steps, fix permissions and add uninstall recipe#9

Open

johnmccabe wants to merge 6 commits intoavsm:masterfrom johnmccabe:maint/master/tidy_build_steps_and_fix_permissions

+12-14

Commits on Jan 31, 2017

tidy image build steps
John McCabe
committed
Ensures ssh uses no connection sharing (-S none)

netj
authored and
John McCabe
committed
Fixes tini path

netj
authored and
John McCabe
committed
Set ownership of authorized_hosts to root
John McCabe
committed
add uninstall recipe to makefile
John McCabe
committed
make docker-entrypoint.sh executable
John McCabe
committed